City of Chicago


312 Area code: Chicago, Cook - Landline

Directory Numbers

How to dial a U.S. number internationally:

  • Start with your country's exit code (e.g., 011 for the U.S. or Canada).
  • Dial the U.S. country code (+1).
  • Dial the 10-digit phone number (area code + local number).

  • 3123335800 | +1 312-333-5800 Illinois U.S.A.
  • 3123335801 | +1 312-333-5801 Illinois U.S.A.
  • 3123335802 | +1 312-333-5802 Illinois U.S.A.
  • 3123335803 | +1 312-333-5803 Illinois U.S.A.
  • 3123335804 | +1 312-333-5804 Illinois U.S.A.
  • 3123335805 | +1 312-333-5805 Illinois U.S.A.
  • 3123335806 | +1 312-333-5806 Illinois U.S.A.
  • 3123335807 | +1 312-333-5807 Illinois U.S.A.
  • 3123335808 | +1 312-333-5808 Illinois U.S.A.
  • 3123335809 | +1 312-333-5809 Illinois U.S.A.
  • 3123335810 | +1 312-333-5810 Illinois U.S.A.
  • 3123335811 | +1 312-333-5811 Illinois U.S.A.
  • 3123335812 | +1 312-333-5812 Illinois U.S.A.
  • 3123335813 | +1 312-333-5813 Illinois U.S.A.
  • 3123335814 | +1 312-333-5814 Illinois U.S.A.
  • 3123335815 | +1 312-333-5815 Illinois U.S.A.
  • 3123335816 | +1 312-333-5816 Illinois U.S.A.
  • 3123335817 | +1 312-333-5817 Illinois U.S.A.
  • 3123335818 | +1 312-333-5818 Illinois U.S.A.
  • 3123335819 | +1 312-333-5819 Illinois U.S.A.
  • 3123335820 | +1 312-333-5820 Illinois U.S.A.
  • 3123335821 | +1 312-333-5821 Illinois U.S.A.
  • 3123335822 | +1 312-333-5822 Illinois U.S.A.
  • 3123335823 | +1 312-333-5823 Illinois U.S.A.
  • 3123335824 | +1 312-333-5824 Illinois U.S.A.
  • 3123335825 | +1 312-333-5825 Illinois U.S.A.
  • 3123335826 | +1 312-333-5826 Illinois U.S.A.
  • 3123335827 | +1 312-333-5827 Illinois U.S.A.
  • 3123335828 | +1 312-333-5828 Illinois U.S.A.
  • 3123335829 | +1 312-333-5829 Illinois U.S.A.
  • 3123335830 | +1 312-333-5830 Illinois U.S.A.
  • 3123335831 | +1 312-333-5831 Illinois U.S.A.
  • 3123335832 | +1 312-333-5832 Illinois U.S.A.
  • 3123335833 | +1 312-333-5833 Illinois U.S.A.
  • 3123335834 | +1 312-333-5834 Illinois U.S.A.
  • 3123335835 | +1 312-333-5835 Illinois U.S.A.
  • 3123335836 | +1 312-333-5836 Illinois U.S.A.
  • 3123335837 | +1 312-333-5837 Illinois U.S.A.
  • 3123335838 | +1 312-333-5838 Illinois U.S.A.
  • 3123335839 | +1 312-333-5839 Illinois U.S.A.
  • 3123335840 | +1 312-333-5840 Illinois U.S.A.
  • 3123335841 | +1 312-333-5841 Illinois U.S.A.
  • 3123335842 | +1 312-333-5842 Illinois U.S.A.
  • 3123335843 | +1 312-333-5843 Illinois U.S.A.
  • 3123335844 | +1 312-333-5844 Illinois U.S.A.
  • 3123335845 | +1 312-333-5845 Illinois U.S.A.
  • 3123335846 | +1 312-333-5846 Illinois U.S.A.
  • 3123335847 | +1 312-333-5847 Illinois U.S.A.
  • 3123335848 | +1 312-333-5848 Illinois U.S.A.
  • 3123335849 | +1 312-333-5849 Illinois U.S.A.
  • 3123335850 | +1 312-333-5850 Illinois U.S.A.
  • 3123335851 | +1 312-333-5851 Illinois U.S.A.
  • 3123335852 | +1 312-333-5852 Illinois U.S.A.
  • 3123335853 | +1 312-333-5853 Illinois U.S.A.
  • 3123335854 | +1 312-333-5854 Illinois U.S.A.
  • 3123335855 | +1 312-333-5855 Illinois U.S.A.
  • 3123335856 | +1 312-333-5856 Illinois U.S.A.
  • 3123335857 | +1 312-333-5857 Illinois U.S.A.
  • 3123335858 | +1 312-333-5858 Illinois U.S.A.
  • 3123335859 | +1 312-333-5859 Illinois U.S.A.
  • 3123335860 | +1 312-333-5860 Illinois U.S.A.
  • 3123335861 | +1 312-333-5861 Illinois U.S.A.
  • 3123335862 | +1 312-333-5862 Illinois U.S.A.
  • 3123335863 | +1 312-333-5863 Illinois U.S.A.
  • 3123335864 | +1 312-333-5864 Illinois U.S.A.
  • 3123335865 | +1 312-333-5865 Illinois U.S.A.
  • 3123335866 | +1 312-333-5866 Illinois U.S.A.
  • 3123335867 | +1 312-333-5867 Illinois U.S.A.
  • 3123335868 | +1 312-333-5868 Illinois U.S.A.
  • 3123335869 | +1 312-333-5869 Illinois U.S.A.
  • 3123335870 | +1 312-333-5870 Illinois U.S.A.
  • 3123335871 | +1 312-333-5871 Illinois U.S.A.
  • 3123335872 | +1 312-333-5872 Illinois U.S.A.
  • 3123335873 | +1 312-333-5873 Illinois U.S.A.
  • 3123335874 | +1 312-333-5874 Illinois U.S.A.
  • 3123335875 | +1 312-333-5875 Illinois U.S.A.
  • 3123335876 | +1 312-333-5876 Illinois U.S.A.
  • 3123335877 | +1 312-333-5877 Illinois U.S.A.
  • 3123335878 | +1 312-333-5878 Illinois U.S.A.
  • 3123335879 | +1 312-333-5879 Illinois U.S.A.
  • 3123335880 | +1 312-333-5880 Illinois U.S.A.
  • 3123335881 | +1 312-333-5881 Illinois U.S.A.
  • 3123335882 | +1 312-333-5882 Illinois U.S.A.
  • 3123335883 | +1 312-333-5883 Illinois U.S.A.
  • 3123335884 | +1 312-333-5884 Illinois U.S.A.
  • 3123335885 | +1 312-333-5885 Illinois U.S.A.
  • 3123335886 | +1 312-333-5886 Illinois U.S.A.
  • 3123335887 | +1 312-333-5887 Illinois U.S.A.
  • 3123335888 | +1 312-333-5888 Illinois U.S.A.
  • 3123335889 | +1 312-333-5889 Illinois U.S.A.
  • 3123335890 | +1 312-333-5890 Illinois U.S.A.
  • 3123335891 | +1 312-333-5891 Illinois U.S.A.
  • 3123335892 | +1 312-333-5892 Illinois U.S.A.
  • 3123335893 | +1 312-333-5893 Illinois U.S.A.
  • 3123335894 | +1 312-333-5894 Illinois U.S.A.
  • 3123335895 | +1 312-333-5895 Illinois U.S.A.
  • 3123335896 | +1 312-333-5896 Illinois U.S.A.
  • 3123335897 | +1 312-333-5897 Illinois U.S.A.
  • 3123335898 | +1 312-333-5898 Illinois U.S.A.
  • 3123335899 | +1 312-333-5899 Illinois U.S.A.